Mon Prof Augmenté
A robot that senses and acts
Age 15 · Technology
A connected embedded object reads its surroundings with sensors, and a small computer chip runs a program that decides what to do. The chip then switches actuators such as motors and lights to act on the world.
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Age 15: open this week
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In the picture
- Light sensor: measures brightness and sends it to the board
- Distance sensor: measures how far away an object is
- Microcontroller: runs the program that turns inputs into decisions
- Motor: an actuator that moves the robot
- LED: an actuator that lights up as an output signal
Examples
- A robot vacuum senses a wall and turns its motors away.
- A street lamp senses darkness and switches its light on.
Key takeaways
- Sensors are inputs; actuators are outputs.
- The microcontroller’s program links inputs to outputs.
Quiz: A robot that senses and acts (Age 15)
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In a connected embedded object, what is the difference between sensors and actuators?
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What is the job of the microcontroller?
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A robot’s distance sensor detects an object and the robot’s LED lights up. In what order does the information flow?
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